Parallax, which designs and manufactures microcontroller development tools and small single-board computers, recently introduced three new products, the Single Relay Board, the SCP1000 Pressure Sensor Module, and the Propeller Mini.
You can use the Single Relay Board to turn lights, fans, and other devices on or off while keeping them isolated from your microcontroller. The Single Relay Board’s on-board relay enables you to control high-power devices (up to 10 A). The relay’s control is provided via a 1 x 3 header that works well with servomotor cables and conveniently connects to many development boards.
The SCP1000 Pressure Sensor Module is an absolute pressure sensor capable of detecting atmospheric pressure from 30 to 120 kPa. The sensor also provides temperature data. A single multiplication operation using constants obtains pressure data in kilopascals or temperature in degrees Celsius. The pressure data is internally calibrated and temperature compensated. The SCP1000 features four measurement modes in addition to Standby and Power Down mode. A SPI bus handles the sensor’s communication and provides additional control lines (e.g., interrupt line and trigger input).
The Propeller Mini can embed a multi-core microcontroller system in small-sized projects where a full-sized development board is impractical. With its small size and component count, the Propeller enables you to have a complete prototyping system or project while maintaining a small footprint.
The Propeller features many options. For breadboarding, you can solder the included header onto the board. To keep your project’s control system small, you could solder your project’s wire leads directly to the board’s through holes. You can also solder sockets onto the Propeller Mini, enabling it to plug into a prototyping board containing your sensors and other components.
The Single Relay Board costs $9.99. The SCP1000 Pressure Sensor Module and the Propeller Mini cost $24.99.